EP3862115A1 - Vorrichtung zur generativen fertigung dreidimensionaler objekte - Google Patents

Vorrichtung zur generativen fertigung dreidimensionaler objekte Download PDF

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Publication number
EP3862115A1
EP3862115A1 EP21151411.2A EP21151411A EP3862115A1 EP 3862115 A1 EP3862115 A1 EP 3862115A1 EP 21151411 A EP21151411 A EP 21151411A EP 3862115 A1 EP3862115 A1 EP 3862115A1
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EP
European Patent Office
Prior art keywords
region
build
overflow
material application
application device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP21151411.2A
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English (en)
French (fr)
Inventor
Domenik Braunroth
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Concept Laser GmbH
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Concept Laser GmbH
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Publication date
Application filed by Concept Laser GmbH filed Critical Concept Laser GmbH
Publication of EP3862115A1 publication Critical patent/EP3862115A1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/38—Housings, e.g. machine housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/171—Processes of additive manufacturing specially adapted for manufacturing multiple 3D objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245—Platforms or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/10—Formation of a green body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • An exemplary apparatus includes a build region arrangement, and an exemplary build region arrangement may include a first build region for additively building up at least one first three-dimensional object during operation of the apparatus, and at least one second build region for additively building at least one second three-dimensional object during operation of the apparatus, with the at least one second build region being separate from the first build region.
  • An exemplary build region arrangement may additionally or alternatively include at least one build material application device for applying build material in the first build region and/or in the at least one second build region.
  • An exemplary build region arrangement may additionally or alternatively include a first overflow region for receiving build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device, and/or at least one second overflow region for receiving build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device.
  • An exemplary method may include moving at least one build material application device relative to a first build region and relative to at least one second build region.
  • the first build region may be for additively building up at least one first three-dimensional object during operation of the apparatus.
  • the at least one second build region may be for additively building at least one second three-dimensional object during operation of the apparatus, and the at least one second build region may be separate from the first build region.
  • An exemplary method may additionally or alternatively include receiving, at a first overflow region and/or at least one second overflow region, build material which was not applied in the first build region or the at least one second build region.
  • the first overflow region may be for receiving build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device.
  • the at least one second overflow region may be for receiving build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device.
  • An exemplary method may additionally or alternatively include selectively solidifying build material applied in the first build region and/or the at least one second build region.
  • Approximating language is applied to modify any quantitative representation that could permissibly vary without resulting in a change in the basic function to which it is related. Accordingly, a value modified by a term or terms, such as “about”, “approximately”, and “substantially”, are not to be limited to the precise value specified. In at least some instances, the approximating language may correspond to the precision of an instrument for measuring the value, or the precision of the methods or machines for constructing or manufacturing the components and/or systems.
  • the present disclosure relates to an apparatus for additively manufacturing three-dimensional objects, the apparatus comprising a build region arrangement, the build region arrangement.
  • Respective apparatuses for additively manufacturing three-dimensional objects are widely known from prior art.
  • Respective additive manufacturing apparatuses typically, comprise a build region arrangement which comprises a build region for additively building up at least one three-dimensional object during operation of the apparatus, a build material application device for applying an amount of build material in the build region, and an overflow region for receiving an amount of build material which was not applied in the build region via the at least one build material application device.
  • the efficiency of the build material application process is of great significance for the efficiency of the entire additive manufacturing process, different build region arrangement configurations and related build material application strategies have been suggested.
  • This object is achieved by an apparatus for additively manufacturing three-dimensional objects according to Claim 1.
  • the Claims depending on Claim 1 relate to possible embodiments of the apparatus for additively manufacturing three-dimensional objects according to Claim 1.
  • a first aspect of the invention relates to an apparatus (hereinafter "apparatus") for additively manufacturing three-dimensional objects, e.g. technical components, by successive selective solidification, i.e. particularly successive selective irradiation-induced solidification, of build material, i.e. particularly build material layers, which can be solidified by an energy beam.
  • a respective build material can be a powdered build material; a powdered build material may comprise at least one of a metal powder, a ceramic powder, or a polymer powder, for instance.
  • a respective energy beam can be a directed energy beam, such as a laser beam or an electronic beam, for instance.
  • a respective apparatus can be a selective laser sintering apparatus, a selective laser melting apparatus, a selective electron beam melting apparatus, or a binder jetting apparatus, particularly a metal binder jetting apparatus, for instance.
  • the apparatus comprises a number of functional and/or structural devices which are operable or operated during its operation.
  • Each functional and/or structural device may comprise a number of functional elements.
  • a first exemplary functional and/or structural device is a build material application device adapted to apply an amount, particularly a specific amount, of build material in at least one build region of a build region arrangement of the apparatus.
  • Another exemplary functional and/or structural device is a solidification device adapted to successively selectively solidify build material, particularly respective layers of build material applied in the build region.
  • a respective solidification device can be embodied as or comprise an irradiation device adapted to successively selectively irradiate build material, particularly respective layers of build material applied in a respective build region, with at least one energy beam, e.g.
  • a respective irradiation device may comprise at least one beam generating unit adapted to generate at least one (directed) energy beam and/or at least one beam directing unit adapted to direct at least one (directed) energy beam across build material applied in at least one respective build region.
  • Respective functional and/or structural devices can be associated with a process chamber of the apparatus.
  • the apparatus comprises a build region arrangement.
  • the build region arrangement comprises a number of build regions for additively building at least one three-dimensional object and a number of overflow regions for receiving an amount of build material which was not applied in one of the build regions.
  • the build region arrangement is typically provided within the process chamber of the apparatus. Specifically, a respective build region arrangement can be provided within a bottom wall of the process chamber of the apparatus.
  • the build region arrangement comprises the following: a first build region for additively building up at least one first three-dimensional object during operation of the apparatus; at least one second build region for additively building at least one second three-dimensional object during operation of the apparatus, the at least one second build region being separate, i.e.
  • At least one build material application device for applying an amount of build material in the first build region and/or in the at least one second build region; a first overflow region for receiving an amount of build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device; and at least one second overflow region for receiving an amount of build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device, the at least one second overflow region being separate, i.e. spatially separated, from the first overflow region.
  • the first build region typically, comprises or defines a first build plane.
  • the first build region can be assigned with a first build container or a first build module, respectively.
  • the first build region can be defined by an inner volume of a respective first build container or first build module or an (upper) opening into a respective inner volume of a respective first build container or first build module, respectively.
  • a respective first build container or first build module can comprise a carrying unit comprising at least one (vertically) moveably supported carrying element, e.g. a build platform, adapted to carry a build plate or a three-dimensional object to be additively manufactured during operation of the apparatus.
  • a respective first build container or first build module can be attachable or attached to the process chamber, i.e. particularly to a bottom wall of the process chamber, at a first predefined position.
  • the second build region typically, comprises or defines a second build plane.
  • the second build region can be assigned with a second build container or a second build module, respectively.
  • the second build region can be defined by an inner volume of a respective second build container or second build module or an (upper) opening into a respective inner volume of a respective second build container or second build module, respectively.
  • a respective second build container or second build module can comprise a carrying unit comprising at least one (vertically) moveably supported carrying element, e.g. a build platform, adapted to carry a build plate or a three-dimensional object to be additively manufactured during operation of the apparatus.
  • a respective second build container or second build module can be attachable or attached to the process chamber, i.e. particularly to a bottom wall of the process chamber, at a second predefined position (different from a respective first predefined position).
  • the at least one build material application device 6 serves for applying an amount of build material in the first build region and/or in the at least one second build region. By applying an amount of build material in the first and/or second build region, build material layers are formed in the first and/or second build region, which build material layers are to be selectively solidified during operation of the apparatus.
  • the build material application device is adapted to apply an amount of build material in the first and/or second build region so as to form build material layers which are to be selectively solidified during operation of the apparatus.
  • a respective build material application device may comprise at least one build material application element.
  • a respective build material application element can be built as or comprise a re-coating element, e.g. a re-coating blade.
  • the build material application device can be built as a re-coating device, comprising at least one build material application element being built as a re-coating element, particularly a re-coating blade, or comprising a re-coating element, particularly a re-coating blade.
  • a build material application element can be built as or comprise a build material containment having at least one, particularly gate-like, opening through which build material may exit the build material containment so as to apply an amount, particularly a specific amount, of build material in the first and/or second build region of the apparatus.
  • a respective at least one opening is typically, controllably closable or openable by at least closing element which is moveably supported in at least one degree of freedom of motion relative to the respective at least one opening.
  • a respective build material application device is typically, moveably supported in at least one motion path in which the build material application device is moveable or moved across at least one of the first and/or second build region.
  • the build material application device is moved across at least one of the first and/or second build region so that it is possible to apply an amount of build material in at least one of the first and/or second build region thereby, forming a build material layer in at least one of the first and/or second build region which build material layer is to be selectively solidified during operation of the apparatus.
  • a respective motion path may thus, be deemed or denoted as a build material application path in which build material is applied in at least one of the first and/or second build region.
  • At least one drive means such as a motor, adapted to generate a drive force resulting in a movement of the build material application device in the respective motion path can be associated with the respective build material application device.
  • the first overflow region typically, comprises or defines a first overflow plane.
  • the first overflow region can be assigned with a first overflow container or a first overflow module, respectively.
  • the first overflow region can be defined by an inner volume of a respective first overflow container or first overflow module or an (upper) opening into a respective inner volume of a respective first overflow container or first overflow module, respectively.
  • a respective first overflow container or first overflow module can be attachable or attached to the process chamber, i.e. particularly to a bottom wall of the process chamber, at a third predefined position (different from respective first and second predefined positions).
  • the at least one second overflow region typically, comprises or defines a second overflow plane.
  • the at least one second overflow region can be assigned with at least one second overflow container or at least one second overflow module, respectively.
  • the at least one second overflow region can be defined by an inner volume of a respective second overflow container or second overflow module or an (upper) opening into a respective inner volume of a respective second overflow container or second overflow module, respectively.
  • a respective second overflow container or second overflow module can be attachable or attached to the process chamber, i.e. particularly to a bottom wall of the process chamber, at a fourth predefined position (different from respective first, second, and third predefined positions).
  • the build region arrangement thus, comprises at least two build regions and at least two overflow regions which allows for a highly efficient and flexible additive manufacturing processes during operation of the apparatus.
  • the build region arrangement comprises a respective first build region, a respective at least one second build region, a respective first overflow region, and a respective at least one second overflow region arranged in at least one series arrangement.
  • the build region arrangement may thus, comprise a series arrangement of a respective first build region, a respective at least one second build region, a respective first overflow region, and a respective at least one second overflow region in which a respective first build region, a respective at least one second build region, a respective first overflow region, and a respective at least one second overflow region are arranged in series.
  • the first build region, the at least one second build region, the first overflow region, and the at least one second overflow region can be arranged one after another in a row- or a row-like arrangement.
  • the build region arrangement comprises a first overflow region, a first build region, a second build region, and a second overflow region arranged in a series arrangement, whereby at least one build material application device is assigned to the series arrangement.
  • the aforementioned elements of the build region arrangement are arranged in the following order or sequence, the first overflow region is (directly) followed by and thus, (directly) adjacent to the first build region, the first build region is (directly) followed by and thus, (directly) adjacent to the second build region, the second build region is (directly) followed by and thus, (directly) adjacent to the second overflow region.
  • the at least one build material application device can be moveably supported in a motion path in which the build material application device is moveable or moved across the first overflow region, the first build region, the second build region, and the second overflow region.
  • At least two build material application devices can be assigned to the series arrangement, whereby a first build material application device is moveably supported in a first motion path in which the first build material application device is moveable or moved across the first overflow region and the first build region, or vice versa, and at least one second build material application device is moveably supported in a second motion path in which the at least one second build material application device is moveable or moved across the second build region and the second overflow region, or vice versa.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus.
  • the build region arrangement can comprise a first series arrangement and at least one second series arrangement, whereby the first series arrangement comprises a first overflow region, a first build region, a second build region, and a second overflow region arranged in series, whereby at least one first build material application device is assigned to the first series arrangement, and the second series arrangement comprises a first overflow region, a first build region, a second build region, and a second overflow region arranged in series, whereby at least one second build material application device is assigned to the second series arrangement.
  • the second specific exemplary embodiment thus, comprises multiples of the first specific exemplary embodiments.
  • the second specific exemplary embodiment can thus, be deemed or denoted as an extension of the first specific exemplary embodiment in a first spatial direction, e. g. an extension in a y-direction with respect to a x-direction and an orthogonal y-direction of a bottom plane of a process chamber, whereby the x-direction corresponds to the direction of a motion path of at least one build material application device.
  • the at least one first build material application device can be moveably supported in a first motion path in which the build material application device is moveable or moved across the first overflow region, the first build region, the second build region, and the second overflow region, or vice versa, of the first series arrangement
  • the at least one second build material application device can be moveably supported in a second motion path in which the build material application device is moveable or moved across the first overflow region, the first build region, the second build region, and the second overflow region, or vice versa, of the second series arrangement.
  • At least two build material application devices can be assigned to the first series arrangement, whereby a first build material application device is moveably supported in a first motion path in which the first build material application device is moveable or moved across the first overflow region and the first build region, or vice versa, of the first series arrangement, and at least one second build material application device is moveably supported in a second motion path in which the at least one second build material application device is moveable or moved across the second build region and the second overflow region, or vice versa, of the first series arrangement; and/or at least two build material application devices are assigned to the second series arrangement, whereby a first build material application device is moveably supported in a first motion path in which the first build material application device is moveable or moved across the first build region and the first overflow region, or vice versa, of the second series arrangement, and at least one second build material application device is moveably supported in a second motion path in which the at least one second build material application device is moveable or moved across the second build region and
  • the first series arrangement can be arranged parallel to the at least one second series arrangement or the first series arrangement can be arranged not parallel, particularly angled, more particularly perpendicularly, (relative) to the at least one second series arrangement, or vice versa.
  • the build region arrangement comprises a first overflow region, a first build region, a second overflow region, a second build region, and a third overflow region arranged in a series arrangement, whereby at least one build material application device is assigned to the series arrangement.
  • the aforementioned elements of the build region arrangement are arranged in the following order or sequence, the first overflow region is (directly) followed by and thus, (directly) adjacent to the first build region, the first build region is (directly) followed by and thus, (directly) adjacent to the second overflow region, the second overflow region is (directly) followed by and thus, (directly) adjacent to the second build region, the second build region is (directly) followed by and thus, (directly) adjacent to the third overflow region.
  • the at least one build material application device can be moveably supported in a motion path in which the build material application device is moveable or moved across the first overflow region, the first build region, the second overflow region, the second build region, and the third overflow region.
  • At least two build material application devices can be assigned to the series arrangement, whereby a first build material application device is moveably supported in a first motion path in which the first build material application device is moveable or moved across the first overflow region, the first build region, and the second overflow region, or vice versa, and at least one second build material application device is moveably supported in a second motion path in which the at least one second build material application device is moveable or moved across the second overflow region, the second build region, and the third overflow region, or vice versa.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus.
  • the build region arrangement can comprise a first series arrangement and at least one second series arrangement, whereby the first series arrangement comprises a first overflow region, a first build region, a second overflow region, a second build region, and a third overflow region arranged in series, whereby at least one first build material application device is assigned to the first series arrangement, and the second series arrangement comprises a first overflow region, a first build region, a second overflow region, a second build region, and a third overflow region arranged in series, whereby at least one second build material application device is assigned to the second series arrangement.
  • the fourth specific exemplary embodiment can thus, be deemed or denoted as an extension of the third specific exemplary embodiment, e. g.
  • the at least one first build material application device is moveably supported in a first motion path in which the build material application device is moveable or moved across the first overflow region, the first build region, the second overflow region, the second build region, and the third overflow region of the first series arrangement, or vice versa
  • the at least one second build material application device is moveably supported in a second motion path in which the build material application device is moveable or moved across the first overflow region, the first build region, the second overflow region, the second build region, and the third overflow region of the second series arrangement, or vice versa.
  • At least two build material application devices are assigned to the first series arrangement, whereby a first build material application device is moveably supported in a first motion path in which the first build material application device is moveable or moved across the first overflow region, the first build region, and the second overflow region of the first series arrangement, or vice versa, and at least one second build material application device is moveably supported in a second motion path in which the at least one second build material application device is moveable or moved across the second overflow region, the second build region, and the third overflow region of the first series arrangement, or vice versa; and/or at least two build material application devices are assigned to the second series arrangement, whereby a first build material application device is moveably supported in a first motion path in which the first build material application device is moveable or moved across the first overflow region, the first build region, and the second overflow region of the second series arrangement, or vice versa, and at least one second build material application device is moveably supported in a second motion path in which the at least
  • the first series arrangement can be arranged parallel to the at least one second series arrangement, e.g. parallel in a respective y-direction of a bottom plane of a process chamber, or the first series arrangement can be arranged not parallel, particularly angled, more particularly perpendicularly, (relative) to the at least one second series arrangement, or vice versa.
  • the build region arrangement can comprise a first series arrangement and a second series arrangement, whereby the first series arrangement comprises a first overflow region, a (single) build region, and a second overflow region arranged in series, whereby at least one first build material application device is assigned to the first series arrangement; and the second series arrangement comprises a first overflow region, a (single) build region, and a second overflow region arranged in series, whereby at least one second build material application device is assigned to the second series arrangement.
  • the aforementioned elements of the first series arrangement are arranged in the following order or sequence, the first overflow region is (directly) followed by and thus, (directly) adjacent to the first build region, the first build region is (directly) followed by and thus, (directly) adjacent to the second overflow region.
  • the aforementioned elements of the second series arrangement are arranged in the following order or sequence, the first overflow region is (directly) followed by and thus, (directly) adjacent to the first build region, the first build region is (directly) followed by and thus, (directly) adjacent to the second overflow region.
  • the at least one first build material application device can be moveably supported in a first motion path in which the at least one first build material application device is moveable or moved across the first overflow region, the build region, and the second overflow region, or vice versa, of the first series arrangement
  • the at least one second build material application device can be moveably supported in a second motion path in which the at least one second build material application device is moveable or moved across the first overflow region, the build region, and the second overflow region, or vice versa, of the second arrangement.
  • the first series arrangement can be arranged parallel, e.g. parallel in a respective y-direction of a bottom plane of a process chamber, to the at least one second series arrangement or the first series arrangement can be arranged not parallel, particularly angled, more particularly perpendicularly, (relative) to the at least one second series arrangement, or vice versa.
  • motion of the respective build material application device(s) in the respective motion path(s) can be controlled by a hardware- and/or software embodied control unit being adapted to generate control information for controlling motion of the respective build material application device(s) in the respective motion path(s).
  • a respective control unit can be provided with machine-readable instructions for generating machine-readable control information for controlling motion of the respective build material application device(s) in the respective motion path(s).
  • the apparatus may comprise at least one solidification device, particularly at least one irradiation device, which is moveably supported in at least one motion path in which the at least one solidification device can be moveable or moved in at least one solidification position and/or orientation, particularly in an irradiation position and/or orientation, relative to the first build region so as to selectively solidify, particularly irradiate, build material applied in the first build region and/or in a solidification position and/or orientation, particularly in an irradiation position and/or orientation, relative to the second build region so as to selectively solidify build material applied in the second build region.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus.
  • a second aspect of the invention relates to a build region arrangement for an apparatus for additively manufacturing three-dimensional objects, particularly for an apparatus according to the first aspect of the invention.
  • the build region arrangement comprises: a first build region for additively building up at least one first three-dimensional object during operation of the apparatus; at least one second build region for additively building at least one second three-dimensional object during operation of the apparatus, the at least one second build region being separate from the first build region; at least one build material application device for applying an amount of build material in the first build region and/or in the at least one second build region; a first overflow region for receiving an amount of build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device; at least one second overflow region for receiving an amount of build material which was not applied in the first build region and/or in the at least one second build region via the at least one build material application device.
  • a third aspect of the invention relates to methods for additively manufacturing three-dimensional objects.
  • An exemplary method comprises: moving at least one first build material application device relative to at least one build region of a build region arrangement according to the second aspect of the invention o as to apply an amount of build material in the at least one build region of the build region arrangement; optionally receiving an amount of build material which was not applied in a build region of the build region arrangement by at least one overflow region; and selectively solidifying the amount of build material applied in the at least one build region of the build region arrangement.
  • FIG. 1 shows a principle drawing of an apparatus 1 for additively manufacturing three-dimensional objects 2, e.g. technical components, by successive selective solidification of layers of a powdered build material 3, e.g. a metal powder, which can be solidified by at least one energy beam 4, e.g. a laser beam, according to an exemplary embodiment.
  • the apparatus 1 can be a selective laser melting apparatus, for instance.
  • a respective apparatus such as a selective electron beam melting apparatus or a binder jetting apparatus, particularly a metal binder jetting apparatus, for instance.
  • the apparatus 1 comprises a number of functional and/or structural devices which are operable or operated during its operation.
  • Each functional and/or structural device may comprise a number of functional elements.
  • a first exemplary functional device is a carrying element 5 for a build plate 9, which may form part of a detachable build container 11 or build module, respectively of the apparatus 1, on which the actual additive build-up of the three-dimensional object 2 takes place during operation of the apparatus 1.
  • the build container 11, particularly the build plate may define the spatial extension of a build region BP in which build material layers, which build material layers are successively selectively solidified during operation of the apparatus 1, are successively applied.
  • a further exemplary functional device is a build material application device 6, e.g. a re-coating device, adapted to successively apply layers of build material 3 which are to be successively selectively solidified during operation of the apparatus 1 in at least one build region BR
  • the build material application device 6 comprises at least one moveably supported build material application element 6a, e.g. a re-coating element, particularly a re-coating blade, or a build material containment having at least one, particularly gate-like, opening through which build material 3 may exit the build material containment so as to apply an amount, particularly a specific amount, of build material in at least one build region BR.
  • the solidification device 7 can be embodied as or can comprise an irradiation device adapted to successively selectively irradiate build material, particularly respective layers of build material 3 applied in at least one respective build region BR, with at least one energy beam 4, e.g. an electron beam or a laser beam.
  • a respective irradiation device may comprise at least one beam generating unit adapted to generate at least one (directed) energy beam and/or at least one beam directing unit adapted to direct at least one (directed) energy beam across build material applied in at least one respective build region BR.
  • Respective functional and/or structural devices can be associated with a process chamber 10 of the apparatus 1.
  • the process chamber 10 particularly, comprising wall elements, such as a bottom wall 10a, delimiting an interior volume of the process chamber 10.
  • the apparatus 1 comprises a build region arrangement 8 comprising a number of build regions BR1, BR2 for additively building at least one three-dimensional object and a number of overflow regions OR1, OR2 for receiving an amount of build material 3 which was not applied in one of the build regions BR1, BR2.
  • the build region arrangement 8 is typically provided within the process chamber 10 of the apparatus 1. Specifically, the respective build region arrangement 8 is provided within a bottom wall 10a of the process chamber 10 of the apparatus 1.
  • FIGs. 2 - 6 each show a top-view of a build region arrangement 8 of an apparatus 1 for additively manufacturing three dimensional objects 2, such as the apparatus 1 of FIG 1 .
  • An exemplary build region arrangement 8 generally comprises the following: - a first build region BR1 for additively building up at least one first three-dimensional object 2 during operation of the apparatus 1; at least one second build region BR2 for additively building at least one second three-dimensional object 2 during operation of the apparatus 1, the at least one second build region BR2 being separate, i.e. spatially separated, from the first build region BR1; at least one build material application device 6 (not explicitly shown in FIGs.
  • a first overflow region OR1 for receiving an amount of build material which was not applied in the first build region BR1 and/or in the at least one second build region BR2 via the at least one build material application device 6; and at least one second overflow region OR2 for receiving an amount of build material 3 which was not applied in the first build region BR1 and/or in the at least one second build region BR2 via the at least one build material application device 6, the at least one second overflow region OR2 being separate, i.e. spatially separated, from the first overflow region OR1.
  • the first build region BR1 comprises or defines a first build plane.
  • the first build region BR1 can be assigned with a first build container 11 or a first build module, respectively.
  • the first build region BR1 can be defined by an inner volume of a respective first build container 11a or first build module or an (upper) opening into a respective inner volume of a respective first build container 11a or first build module, respectively.
  • a respective first build container 11a or first build module can comprise a carrying unit comprising at least one (vertically) moveably supported carrying element 5, e.g. a build platform, adapted to carry a build plate 9 or a three-dimensional object 2 to be additively manufactured during operation of the apparatus 1.
  • a respective first build container 11a or first build module can be attachable or attached to the process chamber 10, i.e. particularly to a bottom wall 10a of the process chamber 10, at a first predefined position.
  • the second build region BR2 comprises or defines a second build plane.
  • the second build region BR2 can be assigned with a second build container 11b or a second build module, respectively.
  • the second build region BR2 can be defined by an inner volume of a respective second build container 11b or second build module or an (upper) opening into a respective inner volume of a respective second build container 11b or second build module, respectively.
  • a respective second build container 11b or second build module can comprise a carrying unit comprising at least one (vertically) moveably supported carrying element 5, e.g. a build platform, adapted to carry a build plate 9 or a three-dimensional object 2 to be additively manufactured during operation of the apparatus 1.
  • a respective second build container 11b or second build module can be attachable or attached to the process chamber 10, i.e. particularly to a bottom wall 10a of the process chamber 10, at a second predefined position (different from a respective first predefined position).
  • the at least one build material application device 6 serves for applying an amount of build material in the first build region BR1 and/or in the at least one second build region BR2.
  • the at least one build material application device 6 serves for applying an amount of build material 3 in the first and/or second build region BR1, BR2, build material layers are formed in the first and/or second build region BR1, BR2, which build material layers are to be selectively solidified during operation of the apparatus 1.
  • the build material application device 6 is adapted to apply an amount of build material in the first and/or second build region BR1, BR2 so as to form build material layers which are to be selectively solidified during operation of the apparatus 1.
  • the at least one build material application device 6 is moveably supported in at least one motion path MP1, MP2 (indicated by double-arrows in FIGs. 2 - 6 ) in which the build material application device 6 is moveable or moved across at least one of the first and/or second build region BR1, BR2.
  • the build material application device 6 when moving the build material application device 6 in a respective motion path MP1, MP2, the build material application device 6 is moved across at least one of the first and/or second build region BR1, BR2 so that it is possible to apply an amount of build material in at least one of the first and/or second build region thereby, forming a build material layer in at least one of the first and/or second build region BR1, BR2 which build material layer is to be selectively solidified during operation of the apparatus 1.
  • a respective motion path MP1, MP2 may thus, be deemed or denoted as a build material application path in which build material 3 is applied in at least one of the first and/or second build region BR1, BR2.
  • At least one drive means (not shown), such as a motor, adapted to generate a drive force resulting in a movement of the build material application device 6 in the respective motion path MP1, MP2 can be associated with the respective build material application device 6.
  • the first overflow region OR1 comprises or defines a first overflow plane.
  • the first overflow region OR1 can be assigned with a first overflow container or a first overflow module (both not shown), respectively.
  • the first overflow region OR1 can be defined by an inner volume of a respective first overflow container or first overflow module or an (upper) opening into a respective inner volume of a respective first overflow container or first overflow module, respectively.
  • a respective first overflow container or first overflow module can be attachable or attached to the process chamber 10, i.e. particularly to a bottom wall 10a of the process chamber 10, at a third predefined position (different from respective first and second predefined positions).
  • the at least one second overflow region OR2 comprises or defines a second overflow plane.
  • the at least one second overflow region OR2 can be assigned with at least one second overflow container or at least one second overflow module (both not shown), respectively.
  • the at least one second overflow region OR2 can be defined by an inner volume of a respective second overflow container or second overflow module or an (upper) opening into a respective inner volume of a respective second overflow container or second overflow module, respectively.
  • a respective second overflow container or second overflow module can be attachable or attached to the process chamber 10, i.e. particularly to a bottom wall 10a of the process chamber 10, at a fourth predefined position (different from respective first, second, and third predefined positions).
  • the build region arrangement 8 thus, comprises at least two build regions BR1, BR2 and at least two overflow regions OR1, OR2 which allows for a highly efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • the build region arrangement 8 comprises a respective first build region BR1, a respective at least one second build region BR2, a respective first overflow region OR1, and a respective at least one second overflow region OR2 arranged in at least one series arrangement.
  • the build region arrangement 8 may thus, comprise a series arrangement of a respective first build region BR1, a respective at least one second build region BR2, a respective first overflow region OR1, and a respective at least one second overflow region OR2 in which a respective first build region BR1, a respective at least one second build region BR2, a respective first overflow region OR1, and a respective at least one second overflow region OR2 are arranged in series.
  • the first build region BR1, the at least one second build region BR2, the first overflow region OR1, and the at least one second overflow region OR2 can be arranged one after another in a row- or a row-like arrangement.
  • the build region arrangement 8 comprises (from left to right) a first overflow region OR1, a first build region BR1, a second build region BR2, and a second overflow region OR2 arranged in a series arrangement. At least one build material application device 6 is assigned to the series arrangement.
  • the aforementioned elements of the build region arrangement 8 are arranged in the following order or sequence (form left to right), the first overflow region OR1 is (directly) followed by and thus, (directly) adjacent to the first build region BR1, the first build region BR1 is (directly) followed by and thus, (directly) adjacent to the second build region BR2 , the second build region BR2 is (directly) followed by and thus, (directly) adjacent to the second overflow region OR2.
  • the at least one build material application device 6 can be moveably supported in a motion path MP in which the build material application device is moveable or moved across the first overflow region OR1, the first build region BR1, the second build region BR2, and the second overflow region OR2.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • At least two build material application devices 6 can be assigned to the series arrangement, whereby a first build material application device 6 is moveably supported in a first motion path MP1 in which the first build material application device 6 is moveable or moved across the first overflow region OR1 and the first build region BR1, or vice versa, and at least one second build material application device 6 is moveably supported in a second motion path MP2 in which the at least one second build material application device 6 is moveable or moved across the second build region BR2 and the second overflow region OR2, or vice versa.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • the build region arrangement 8 comprises a first series arrangement SA1 and at least one second series arrangement SA2, whereby the first series arrangement SA1 comprises a first overflow region OR1, a first build region BR1, a second build region BR2, and a second overflow region OR2 arranged in series. At least one first build material application device 6 (not shown) is assigned to the first series arrangement SA1.
  • the second series arrangement SA2 comprises a first overflow region OR1, a first build region BR1, a second build region BR2, and a second overflow region OR2 arranged in series. At least one second build material application device 6 (not shown) is assigned to the second series arrangement SA2.
  • the exemplary embodiment of FIG. 3 thus, comprises multiples of the exemplary embodiment of FIG.
  • the exemplary embodiment of FIG. 3 can thus, be deemed or denoted as an extension of the exemplary embodiment of FIG. 2 in a first spatial direction, e. g. an extension in the y-direction with respect to a x-direction and an orthogonal y-direction of the bottom plane 10a of the process chamber 10, whereby the x-direction corresponds to the direction of a motion path MP of at least one build material application device 6.
  • the first build material application device 6 can be moveably supported in a first motion path MP1 in which the build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, the second build region BR2, and the second overflow region OR2, or vice versa, of the first series arrangement SA1
  • the second build material application device 6 can be moveably supported in a second motion path MP2 in which the build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, the second build region BR2, and the second overflow region OR2, or vice versa, of the second series arrangement SA2.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus.
  • At least two build material application devices 6 can be assigned to the first series arrangement SA1, whereby a first build material application device 6 is moveably supported in a first motion path MP1 in which the first build material application device 6 is moveable or moved across the first overflow region OR1 and the first build region BR1, or vice versa, of the first series arrangement SA1, and a second build material application device 6 is moveably supported in a second motion path MP2 in which the second build material application device 6 is moveable or moved across the second build region BR2 and the second overflow region OR2, or vice versa, of the first series arrangement SA1.
  • two build material application devices 6 are assigned to the second series arrangement SA2, whereby a first build material application device 6 is moveably supported in a first motion path MP1 in which the first build material application device 6 is moveable or moved across the first build region BR1 and the first overflow region OR1, or vice versa, of the second series arrangement SA2, and at least one second build material application device 6 is moveably supported in a second motion path MP2 in which the at least one second build material application device 6 is moveable or moved across the second build region BR2 and the second overflow region OR2, or vice versa, of the second series arrangement SA2.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • the first series arrangement SA1 is arranged parallel to the second series arrangement SA2.
  • the first series arrangement SA1 is arranged not parallel, particularly angled, more particularly perpendicularly, (relative) to the at least one second series arrangement SA2, or vice versa.
  • the build region arrangement 8 comprises (from left to right) a first overflow region OR1, a first build region BR1, a second overflow region OR2, a second build region BR2, and a third overflow region OR3 arranged in a series arrangement. At least one build material application device 6 (not shown) is assigned to the series arrangement.
  • a first overflow region OR1 a first build region BR1, a second overflow region OR2, a second build region BR2, and a third overflow region OR3 arranged in a series arrangement.
  • At least one build material application device 6 (not shown) is assigned to the series arrangement.
  • the aforementioned elements of the build region arrangement 8 are arranged in the following order or sequence (from left to right), the first overflow region OR1 is (directly) followed by and thus, (directly) adjacent to the first build region BR1, the first build region BR1 is (directly) followed by and thus, (directly) adjacent to the second overflow region OR2, the second overflow region OR2 is (directly) followed by and thus, (directly) adjacent to the second build region BR2, the second build region BR2 is (directly) followed by and thus, (directly) adjacent to the third overflow region OR3.
  • the at least one build material application device 6 can be moveably supported in a motion path MP in which the build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, the second overflow region OR2, the second build region BR2, and the third overflow region OR3.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • At least two build material application devices 6 can be assigned to the series arrangement, whereby a first build material application device 6 is moveably supported in a first motion path MP1 in which the first build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, and the second overflow region OR2, or vice versa, and at least one second build material application device 6 is moveably supported in a second motion path MP2 in which the at least one second build material application device 6 is moveable or moved across the second overflow region OR2, the second build region BR2, and the third overflow region OR3, or vice versa.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • the build region arrangement 8 comprises a first series arrangement SA1 and a second series arrangement SA2, whereby the first series arrangement SA1 comprises a first overflow region OR1, a first build region BR1, a second overflow region OR2, a second build region BR2, and a third overflow region OR3 arranged in series. At least one first build material application device 6 (not shown) is assigned to the first series arrangement SA1.
  • the second series arrangement SA2 comprises a first overflow region OR1, a first build region BR1, a second overflow region OR2, a second build region BR2, and a third overflow region OR3 arranged in series. At least one second build material application device 6 (not shown) is assigned to the second series arrangement.
  • FIG. 5 can thus, be deemed or denoted as an extension of the exemplary embodiment of FIG. 4 , e. g. an extension in the y-direction with respect to a x-direction and an orthogonal y-direction of the bottom plane 10a of the process chamber 10, whereby the x-direction corresponds to the direction of a motion path MP of at least one build material application device 6.
  • the at least one first build material application device 6 is moveably supported in a first motion path MP1 in which the build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, the second overflow region OR2, the second build region BR2, and the third overflow region OR3 of the first series arrangement SA1, or vice versa.
  • the at least one second build material application device 6 is moveably supported in a second motion path MP2 in which the build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, the second overflow region OR2, the second build region BR2, and the third overflow region OR3 of the second series arrangement SA2, or vice versa.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • At least two build material application devices 6 are assigned to the first series arrangement SA1, whereby a first build material application device 6 is moveably supported in a first motion path MP1 in which the first build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, and the second overflow region OR2 of the first series arrangement SA2, or vice versa.
  • At least one second build material application device 6 is moveably supported in a second motion path MP2 in which the at least one second build material application device 6 is moveable or moved across the second overflow region OR2, the second build region BR2, and the third overflow region OR3 of the first series arrangement S1, or vice versa.
  • At least two build material application devices 6 are assigned to the second series arrangement SA2, whereby a first build material application device 6 is moveably supported in a first motion path MP1 in which the first build material application device 6 is moveable or moved across the first overflow region OR1, the first build region BR1, and the second overflow region OR2 of the second series arrangement SA2, or vice versa. At least one second build material application device 6 is moveably supported in a second motion path MP2 in which the at least one second build material application device 6 is moveable or moved across the second overflow region OR2, the second build region BR2, and the third overflow region OR3 of the second series arrangement SA2, or vice versa.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • the first series arrangement SA1 is arranged parallel to the second series arrangement SA2.
  • the first series arrangement SA1 is arranged not parallel, particularly angled, more particularly perpendicularly, (relative) to the at least one second series arrangement SA2, or vice versa.
  • the build region arrangement 8 comprises a first series arrangement SA1 and a second series arrangement SA2.
  • the first series arrangement SA1 comprises a first overflow region OR1, a (single) build region BR, and a second overflow region OR2 arranged in series.
  • At least one first build material application device 6 (not shown) is assigned to the first series arrangement SA1.
  • the second series arrangement SA2 comprises a first overflow region OR1, a (single) build region BR, and a second overflow region OR2 arranged in series.
  • At least one second build material application device 6 (not shown) is assigned to the second series arrangement SA2.
  • FIG. 1 the exemplary embodiment of FIG.
  • the aforementioned elements of the first series arrangement SA1 are arranged in the following order or sequence, the first overflow region OR1 is (directly) followed by and thus, (directly) adjacent to the build region BR, the build region BR is (directly) followed by and thus, (directly) adjacent to the second overflow region OR2.
  • the aforementioned elements of the second series arrangement SA2 are arranged in the following order or sequence, the first overflow region OR1 is (directly) followed by and thus, (directly) adjacent to the build region BR, the build region BR is (directly) followed by and thus, (directly) adjacent to the second overflow region OR2.
  • the at least one first build material application device 6 can be moveably supported in a first motion path MP1 in which the at least one first build material application device 6 is moveable or moved across the first overflow region OR1, the build region BR, and the second overflow region BR2, or vice versa, of the first series arrangement SA1.
  • the at least one second build material application device 6 can be moveably supported in a second motion path MP2 in which the at least one second build material application device 6 is moveable or moved across the first overflow region OR1, the build region BR, and the second overflow region OR2, or vice versa, of the second arrangement SA2.
  • the first series arrangement SA1 is arranged parallel to the second series arrangement SA2.
  • the first series arrangement SA1 is arranged not parallel, particularly angled, more particularly perpendicularly, (relative) to the at least one second series arrangement SA2, or vice versa.
  • motion of the respective build material application device(s) 6 in the respective motion path(s) MP, MP1, MP2 can be controlled by a hardware- and/or software embodied control unit (not shown) being adapted to generate control information for controlling motion of the respective build material application device(s) 6 in the respective motion path(s) MP, MP1, MP2.
  • a respective control unit can be provided with machine-readable instructions for generating machine-readable control information for controlling motion of the respective build material application device(s) 6 in the respective motion path(s) MP, MP1, MP2.
  • the apparatus 1 may comprise at least one solidification device 7, particularly at least one irradiation device, which is moveably supported in at least one motion path in which the at least one solidification device 7 can be moveable or moved in at least one solidification position and/or orientation, particularly in an irradiation position and/or orientation, relative to the first build region BR1 so as to selectively solidify, particularly irradiate, build material applied in the first build region BR1 and/or in a solidification position and/or orientation, particularly in an irradiation position and/or orientation, relative to the second build region BR2 so as to selectively solidify build material applied in the second build region BR2.
  • This configuration allows for implementing efficient and flexible additive manufacturing processes during operation of the apparatus 1.
  • Exemplary embodiments allow for implementing a method of additively manufacturing three-dimensional objects 2.
  • An exemplary method comprises: moving at least one first build material application device 6 relative to at least one build region BR, BR1, BR2 of a build region arrangement 8 so as to apply an amount of build material 3 in the at least one build region BR, BR1, BR2 of the build region arrangement 8; optionally receiving an amount of build material 3 which was not applied in a build region of the build region arrangement 8 by at least one overflow region OR1, OR2; and selectively solidifying the amount of build material applied 3 in the at least one build region BR, BR1, BR2 of the build region arrangement 8.

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US20110293771A1 (en) * 2010-05-12 2011-12-01 Eos Gmbh Electro Optical Systems Means For Modifying A Building Space And Device For Manufacturing A Three-Dimensional Object Having Means For Modifying A Building Space
US20150290671A1 (en) * 2014-04-11 2015-10-15 MTU Aero Engines AG Device for the generative production of a component
EP3566869A2 (de) * 2018-05-08 2019-11-13 9328-8082 Québec Inc. Modulares system zur generativen fertigung und zugehörige verfahren zur kontinuierlichen teilherstellung
EP3718748A1 (de) * 2019-04-02 2020-10-07 Concept Laser GmbH Vorrichtung zur generativen fertigung dreidimensionaler objekte

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2289652A1 (de) * 2009-08-25 2011-03-02 BEGO Medical GmbH Vorrichtung und Verfahren zur generativen Fertigung
US20110293771A1 (en) * 2010-05-12 2011-12-01 Eos Gmbh Electro Optical Systems Means For Modifying A Building Space And Device For Manufacturing A Three-Dimensional Object Having Means For Modifying A Building Space
US20150290671A1 (en) * 2014-04-11 2015-10-15 MTU Aero Engines AG Device for the generative production of a component
EP3566869A2 (de) * 2018-05-08 2019-11-13 9328-8082 Québec Inc. Modulares system zur generativen fertigung und zugehörige verfahren zur kontinuierlichen teilherstellung
EP3718748A1 (de) * 2019-04-02 2020-10-07 Concept Laser GmbH Vorrichtung zur generativen fertigung dreidimensionaler objekte

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